CVE-2026-59837
Fortinet FortiOS
MEDIUM 5.9
At a glance
- Source
- NVD
- EPSS
- EPSS 0.67 % · percentile 52 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- fortinet
- NVD status
- Modified
Description
A stack-based buffer overflow vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions, FortiPAM 1.8.0 through 1.8.2, FortiPAM 1.7 all versions, FortiPAM 1.6 all versions, FortiPAM 1.5 all versions, FortiPAM 1.4 all versions, FortiPAM 1.3 all versions, FortiPAM 1.2 all versions, FortiPAM 1.1 all versions, FortiPAM 1.0 all versions, FortiProxy 7.4.0 through 7.4.13, FortiProxy 7.2 all versions may allow a privileged authenticated attacker who can bypass stack protection and ASLR to execute arbitrary code or commands via crafted HTTP requests.
Weaknesses (CWE)
- CWE-121 — Stack-based Buffer Overflow
References
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.9 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C | fortinet |
| CVSS 3.1 | MEDIUM 6.6 | CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H | NVD · psirt@fortinet.com (Secondary) |
European references
- ENISA EUVD · EUVD-2026-43703
- GCVE · GCVE-0-2026-59837
CERT-FR advisories
- CERTFR-2026-AVI-0879 — Multiples vulnérabilités dans les produits Fortinet · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*≥ 7.2.0 < 7.4.14cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*≥ 7.2.0 < 7.4.2cpe:2.3:o:fortinet:fortipam:*:*:*:*:*:*:*:*≥ 1.0.0 < 1.8.3
Affected products
| Product | Versions |
|---|---|
| Fortinet · FortiOS | affected 7.4.0 ≤ 7.4.1 ; affected 7.2.0 ≤ 7.2.14 ; affected 7.0.0 ≤ 7.0.19 ; affected 6.4.0 ≤ 6.4.16 |
| Fortinet · FortiProxy | affected 7.4.0 ≤ 7.4.13 ; affected 7.2.0 ≤ 7.2.16 |
| Fortinet · FortiPAM | affected 1.8.0 ≤ 1.8.2 ; affected 1.7.0 ≤ 1.7.2 ; affected 1.6.0 ≤ 1.6.2 ; affected 1.5.0 ≤ 1.5.1 ; affected 1.4.0 ≤ 1.4.3 ; affected 1.3.0 ≤ 1.3.1 |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |